Question

Laura wants to pour a total of 800 milliliters of a liquid. So far, she has poured 779.1 milliliters. How many more milliliters must Laura pour?

Answer 1

Laura must pour 800 milliliters - 779.1 milliliters = <<800-779.1=20.9>>20.9 more milliliters. Answer: \boxed{20.9}.